508 pressure and vacuum relief valve
| 508 pressure and vacuum relief valve |
| This equipment is applicable for excellent secondary or standby while vessels under inflating, exhausting and abnormal temperature changes, generally as ash silo protection. |
Table of physical dimension、coupling dimensionand model of matched actuator
| Entrance Size |
Standard permeability ＆#118alues(kgf/cm2) |
Maximum permeability ＆#118alues（Kgf/cm2） |
| （mm） |
Pressure |
vacuum |
Pressure |
vacuum |
| 508 |
7.69х10－3 |
2.2х10－3 |
26.36х10－3 |
8.8х10－3 |
|
